Inventor
LIESCH JEAN-FRANCOIS
LU7 patents
Patents
7 patentsUS4730784AMar 15, 1988
Oxygen blast nozzle
ARBED30 citations91
US4434005AFeb 28, 1984
Method of and apparatus for refining a melt containing solid cooling material
ARBED29 citations91
US4767036AAug 30, 1988
Apparatus and method for emptying metallurgical vessels containing metal and slag
ARBED7 citations71
US4647020AMar 3, 1987
Gas-permeable element of a refractory material
ARBED8 citations68
US4730813AMar 15, 1988
Oxygen nozzle for metal refining
ARBED5 citations61
US4730814AMar 15, 1988
Blast pipe for refining nozzle
ARBED1 citations47
US4524958AJun 25, 1985
Apparatus for closing the discharge aperture of a metallurgical vessel
ARBED0 citations38